(0 19 4)(1 10 2)(3 8 6)(5 20 12 9 7)(11 21 18 15 13)(14 17 16)
ALLOWS (11/8)-SEQUENCE
1: (1 10 13)
(0 19 4)(1 11 21 18 15 13 2)(3 8 6)(5 20 12 9 7)(10)(14 17 16)
2: (9 20 12)
(0 19 4)(1 11 21 18 15 13 2)(3 8 6)(5 20 7)(9)(10)(12)(14 17 16)
3: (0 19 4)
(0)(1 11 21 18 15 13 2)(3 8 6)(4)(5 20 7)(9)(10)(12)(14 17 16)(19)
4: (1 11 21)
(0)(1 18 15 13 2)(3 8 6)(4)(5 20 7)(9)(10)(11)(12)(14 17 16)(19)(21)